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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkAccumulateImageFilter_h
#define itkAccumulateImageFilter_h
#include "itkImageToImageFilter.h"
namespace itk
{
/** \class AccumulateImageFilter
* \brief Implements an accumulation of an image along a selected direction.
*
* This class accumulates an image along a dimension and reduce the size
* of this dimension to 1. The dimension being accumulated is set by
* AccumulateDimension.
*
* Each pixel is the cumulative sum of the pixels along the collapsed
* dimension and reduce the size of the accumulated dimension to 1 (only
* on the accumulated).
*
* The dimensions of the InputImage and the OutputImage must be the same.
*
*
*
* This class is parameterized over the type of the input image and
* the type of the output image.
*
*
* \author Emiliano Beronich
*
* This filter was contributed by Emiliano Beronich
*
* \sa GetAverageSliceImageFilter
*
* \ingroup IntensityImageFilters SingleThreaded
* \ingroup ITKImageStatistics
*/
template< typename TInputImage, typename TOutputImage >
class ITK_TEMPLATE_EXPORT AccumulateImageFilter:public ImageToImageFilter< TInputImage, TOutputImage >
{
public:
/** Standard class typedefs. */
typedef AccumulateImageFilter Self;
typedef ImageToImageFilter< TInputImage, TOutputImage > Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(AccumulateImageFilter, ImageToImageFilter);
/** Some convenient typedefs. */
typedef TInputImage InputImageType;
typedef typename InputImageType::Pointer InputImagePointer;
typedef typename InputImageType::RegionType InputImageRegionType;
typedef typename InputImageType::PixelType InputImagePixelType;
typedef TOutputImage OutputImageType;
typedef typename OutputImageType::Pointer OutputImagePointer;
typedef typename OutputImageType::RegionType OutputImageRegionType;
typedef typename OutputImageType::PixelType OutputImagePixelType;
/** ImageDimension enumeration */
itkStaticConstMacro(InputImageDimension, unsigned int,
TInputImage::ImageDimension);
itkStaticConstMacro(OutputImageDimension, unsigned int,
TOutputImage::ImageDimension);
/** Input and output images must be the same dimension, or the output's
dimension must be one less than that of the input. */
#ifdef ITK_USE_CONCEPT_CHECKING
// Begin concept checking
itkConceptMacro( ImageDimensionCheck,
( Concept::SameDimension< itkGetStaticConstMacro(InputImageDimension),
itkGetStaticConstMacro(OutputImageDimension) > ) );
// End concept checking
#endif
/** Set the direction in which to accumulate the data. It must be
* set before the update of the filter. Defaults to the last
* dimension. */
itkGetConstMacro(AccumulateDimension, unsigned int);
itkSetMacro(AccumulateDimension, unsigned int);
/** Perform a division by the size of the accumulated dimension
* after the accumulation is done. If true, the output image is the
* average of the accumulated dimension, if false the output is the
* sum of the pixels along the selected direction. The default
* value is false. */
itkSetMacro(Average, bool);
itkGetConstMacro(Average, bool);
itkBooleanMacro(Average);
protected:
AccumulateImageFilter();
virtual ~AccumulateImageFilter() ITK_OVERRIDE {}
void PrintSelf(std::ostream & os, Indent indent) const ITK_OVERRIDE;
/** Apply changes to the output image information. */
virtual void GenerateOutputInformation() ITK_OVERRIDE;
/** Apply changes to the input image requested region. */
virtual void GenerateInputRequestedRegion() ITK_OVERRIDE;
/** This method implements the actual accumulation of the image.
*
* \sa ImageToImageFilter::ThreadedGenerateData(),
* ImageToImageFilter::GenerateData() */
void GenerateData(void) ITK_OVERRIDE;
private:
ITK_DISALLOW_COPY_AND_ASSIGN(AccumulateImageFilter);
unsigned int m_AccumulateDimension;
bool m_Average;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkAccumulateImageFilter.hxx"
#endif
#endif
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